Browsing Productos de investigación by Title
Now showing items 335-354 of 984
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Early characteristics and predictors of clinical severity in Autism Spectrum Disorder
(Universidad CES, 2019)Significant efforts have been made to detect Autistic Spectrum Disorder (ASD) during the first years of life, with positive effects on the prognosis of children. However, in countries such as Colombia early identification ... -
Early prediction of severe maternal morbidity using machine learning techniques
(Springer Verlag, 2016)Severe Maternal Morbidity is a public health issue. It may occur during pregnancy, delivery, or puerperium due to conditions (hypertensive disorders, hemorrhages, infections and others) that put in risk the women’s or ... -
Economic dispatch in DC Microgrids considering different battery technologies: A Benchmark Study
(Cartagena de Indias, 2020-11-25)Large penetration of variable renewable sources and electronic loads put short-term stress on microgrids. Energy storage systems account for a reliable way to mitigate these issues. However, depending on the electro-chemistry, ... -
Economic Dispatch of BESS and renewable generators in DC microgrids using voltage-dependent load models
(MDPI AG, 2019)This paper addresses the optimal dispatch problem for battery energy storage systems (BESSs) in direct current (DC) mode for an operational period of 24 h. The problem is represented by a nonlinear programming (NLP) model ... -
Economic dispatch of energy storage systems in dc microgrids employing a semidefinite programming model
(Elsevier Ltd, 2019)A mathematical optimization approach for the optimal operation focused on the economic dispatch for dc microgrid with high penetration of distributed generators and energy storage systems (ESS) via semidefinite programming ... -
Economic dispatch of renewable generators and BESS in DC microgrids using second-order cone optimization
(Campus TecnológicoIngeniería Eléctrica, 2020-04-03)A convex mathematical model based on second-order cone programming (SOCP) for the optimal operation in direct current microgrids (DCMGs) with high-level penetration of renewable energies and battery energy storage systems ... -
Economic lot scheduling with deliberated and controlled coproduction
(2012)This paper presents an algorithm to define the optimal parameters for deliberated and controlled coproduction in an economic lot scheduling problem setting (DCCELSP). Coproduction is said to be deliberated and controlled ... -
Economic shocks and their efect on the schooling and labor participation of youth: evidence from the metal mining price boom in Chilean counties
(Cartagena de Indias, 2021-06-11)We analyze the efect of an exogenous economic shock on youth, specifcally their incentive for preferring to participate in the labor market over continuing their education. We examine the Chilean case and the sustained ... -
Ecotoxicological assessment of perchlorate using in vitro and in vivo assays
(Springer Verlag, 2018)Perchlorate is an inorganic ion widespread in the environment, generated as a natural and anthropogenic pollutant, with known endocrine disruption properties in the thyroid gland. Nonetheless, there are few reports of its ... -
Ecoturismo y agroturismo como alternativa de desarrollo económico y cultural en Turbaco – Bolívar /
(2020)El objetivo principal del presente estudio es identificar y resaltar las bondades de las actividades ecoturísticas y agroturísticas como alternativas para la reactivación y el desarrollo económico del municipio de Turbaco. ... -
Editorial
(2008) -
Editorial to the Special Issue on “Ocular Imaging for Eye Care”
(Cartagena de Indias, 2022-07-08)The need for fast, inexpensive, and robust medical technology is now more crucial than ever. Ocular imaging and visual performance assessment are integral parts of ophthalmic examination, and are necessary for many clinical ... -
Educación ambiental y cultural para el desarrollo sostenible : el caso de la comunidad pesquera del complejo lagunar El Pajaral- Ciénaga Grande De Santa Marta /
(2020)Determinar los aspectos formativos, que la educación ambiental y cultural puede aportaren favor del desarrollo sostenible en la comunidad del complejo Pajaral en su relación con la Ciénaga Grande de Santa Marta, ante el ... -
Educación musical y generación de capacidades: el caso de la Institución Educativa de La Boquilla (Cartagena de Indias) /
(2020)Este artículo sintetiza los resultados del ejercicio de sistematización bajo el enfoque cultural para el desarrollo (EDC) de la experiencia del proyecto educativo musical de la Institución Educativa de La Boquilla. En ... -
EEG feature selection for ADHD detection in children
(Cartagena de Indias, 2020-11-03)Attention deficit and hyperactivity disorder (ADHD) is a medical condition that affects approximately 7% of children worldwide. The diagnosis of ADHD can be done using psychological tests and electroencephalography (EEG). ... -
Efectos del covid-19 sobre la salud física, mental y emocional en los colaboradores de la empresa Jonán S.A. Cartagena, Bolívar /
(2020)La pandemia por Covid-19 que se originó en Wuhan (China) el pasado diciembre de 2019, ha tenido consecuencias importantes en el mundo y en la vida de los colombianos. Debido al confinamiento y al aislamiento social que han ... -
Effect of a commercial air valve on the rapid filling of a single pipeline: A numerical and experimental analysis
(MDPI AG, 2019)The filling process in water pipelines produces pressure surges caused by the compression of air pockets. In this sense, air valves should be appropriately designed to expel sufficient air to avoid pipeline failure. Recent ... -
Effect of deficit irrigation on yield, quality, and costs of the production of native spearmint
(American Society of Civil Engineers (ASCE), 2014)Water-saving strategies aimed at improving water use efficiency need to be applied in agriculture today to ensure sustainable use of scarce water resources. This article presents results of a 2-year study done at Washington ... -
Effect of the non-stationarity of rainfall events on the design of hydraulic structures for runoff management and its applications to a case study at Gordo Creek watershed in Cartagena de Indias, Colombia
(MDPI AG, 2018)The 24-h maximum rainfall (P 24h-max ) observations recorded at the synoptic weather station of Rafael Núñez airport (Cartagena de Indias, Colombia) were analyzed, and a linear increasing trend over time was identified. ... -
Effective Perihelion Advance and Potentials in a Conformastatic Background with Magnetic Field
(Hindawi Limited, 2016)Exact solutions of the Einstein-Maxwell field equations for a conformastatic metric with magnetized sources are investigated. In this context, effective potentials are studied in order to understand the dynamics of the ...
Universidad Tecnológica de Bolívar - 2017 Institución de Educación Superior sujeta a inspección y vigilancia por el Ministerio de Educación Nacional. Resolución No 961 del 26 de octubre de 1970 a través de la cual la Gobernación de Bolívar otorga la Personería Jurídica a la Universidad Tecnológica de Bolívar.
